Bump org.jetbrains.dokka from 2.0.0 to 2.2.0 - #320

This request has been automatically failed because it uses a deprecated version of `actions/cache: v1`. Please update your workflow to use v3/v4 of actions/cache to avoid interruptions. Learn more: https://github.blog/changelog/2024-12-05-notice-of-upcoming-releases-and-breaking-changes-for-github-actions/#actions-cache-v1-v2-and-actions-toolkit-cache-package-closing-down